ATTO Software Downloads

The following are current versions of ATTO drivers and software.

Click here for archived ATTO drivers and software. Drivers and software for discontinued ATTO products are here.

If a driver or software package does not appear on this list, it may still be available by contacting ATTO Tech Support.

The current sort appears below. SEARCH the sorted file listing using the search box (when each sort filter is set to “all”, all files are searched).

ATTO Product:
ExpressSAS

Product Family:
ExpressSAS 24Gb HBAs

Operating System:
All

Title
ATTO ConfigTool Linux

FileAction
lnx_app_configtool_441.tgz — Updated on 2024-06-07
The ATTO ConfigTool offers a graphical user interface to easily monitor and manage ATTO host bus adapter settings for specialized applications. It can be used to view the drivers and flash files currently in use, easily update the firmware, collect diagnostic logs and configure adapter settings.

ATTO ConfigTool requires a supported ATTO Product. The HBA drivers and firmware are not included with the utility.
ATTO ConfigTool macOS

FileAction
ATTO ConfigTool Software — 4.41 — Updated on 2024-06-07
ATTO ConfigTool macOS PRN — 4.41 — Updated on 2024-07-17
The ATTO ConfigTool offers a graphical user interface to easily monitor and manage ATTO host bus adapter settings for specialized applications. It can be used to view the drivers and flash files currently in use, easily update the firmware, collect diagnostic logs and configure adapter settings.

ATTO ConfigTool requires a supported ATTO Product. The HBA drivers and firmware are not included with the utility.
ATTO ConfigTool Windows

FileAction
win_app_configtool_441.exe — 4.41 — Updated on 2024-06-07
The ATTO ConfigTool offers a graphical user interface to easily monitor and manage ATTO host bus adapter settings for specialized applications. It can be used to view the drivers and flash files currently in use, easily update the firmware, collect diagnostic logs and configure adapter settings.

ATTO ConfigTool requires a supported ATTO Product. The HBA drivers and firmware are not included with the utility.
ExpressSAS 24Gb Driver FreeBSD

FileAction
fbsd_drv_esashba6_1000f1.txz — 1.00 — Updated on 2024-05-15
ExpressSAS 24Gb Driver FreeBSD PRN — Updated on 2024-05-15
Proprietary FreeBSD device driver for ExpressSAS 24Gb Host Bus Adapters.

Supports the following FreeBSD versions: FreeBSD 12 (minimum 12.4) & FreeBSD 13 (minimum 13.1).
ExpressSAS 24Gb Driver Illumos

FileAction
ilm_drv_esashba6_1000f1.tgz — 1.00 — Updated on 2024-05-15
ExpressSAS 24Gb SAS/SATA Driver Illumos PRN — Updated on 2024-05-15
Proprietary Illumos device driver for ExpressSAS 24Gb Host Bus Adapters.

Supports the following Illumos versions: OpenIndiana, OmniOS, NexentaStor 4, NexentaStor 5, NestOS.
ExpressSAS 24Gb Driver Linux

FileAction
lnx_drv_esashba6_1000f1.tgz — 1.00 — Updated on 2024-05-15
ExpressSAS 24Gb Driver Linux PRN — Updated on 2024-05-15
Proprietary Linux device driver for ExpressSAS 24Gb Host Bus Adapters.

Supports the following Linux Distributions: Red Hat Enterprise Linux 8 & 9, Rocky Linux 8 & 9, openSUSE Leap 15, SUSE Linux Enterprise Server 15, Ubuntu 22.04.
ExpressSAS 24Gb Driver macOS

FileAction
macos_kext_esashba6_1010f1.dmg — 1.01 — Updated on 2024-06-07
ExpressSAS 24Gb Driver macOS PRN — Updated on 2024-06-07
macOS device driver for ExpressSAS 24Gb Host Bus Adapters.

Supports the following macOS Versions: macOS 15 Sequoia, macOS 14 Sonoma & macOS 13 Ventura.

In macOS 11, Apple introduced User-Approved Kernel Extension Loading. For additional information on this update, please visit here.

When installing an ATTO driver on macOS, you may get a pop-up message warning stating that “this is a system extension that will be incompatible with a future version of macOS.” There is no need to be concerned. ATTO currently uses Kernel Extension Drivers to provide the highest-performing drivers possible.
ExpressSAS 24Gb Driver Windows

FileAction
win_drv_esashba6_1000f1.exe — 1.00 — Updated on 2024-05-15
ExpressSAS 24Gb Driver Windows PRN — Updated on 2024-05-15
Windows device driver for ExpressSAS 24Gb Host Bus Adapters.

Supports the following versions of Windows: Windows 10, 11 & Windows Server 2019, 2022.
ExpressSAS 24Gb Flash Bundle FreeBSD

FileAction
fbsd_fls_esashba6_240927.txz — Updated on 2024-10-04
ExpressSAS 24Gb Flash Bundle FreeBSD PRN — Updated on 2024-10-04
FreeBSD flash bundle for ExpressSAS 24Gb Host Bus Adapters.

Instructions on how to flash can be found in the ReadMe downloaded with the flash bundle file.

Supported Products: ExpressSAS H24F0, ExpressSAS H240F & ExpressSAS H240N.
ExpressSAS 24Gb Flash Bundle Illumos

FileAction
ilm_fls_esashba6_240927.tgz — Updated on 2024-10-04
ExpressSAS 24Gb Flash Bundle Illumos PRN — Updated on 2024-10-04
Illumos flash bundle for ExpressSAS 24Gb Host Bus Adapters.

Instructions on how to flash can be found in the ReadMe downloaded with the flash bundle file.

Supported Products: ExpressSAS H24F0, ExpressSAS H240F & ExpressSAS H240N.
ExpressSAS 24Gb Flash Bundle Linux

FileAction
lnx_fls_esashba6_240927.tgz — Updated on 2024-10-04
ExpressSAS 24Gb Flash Bundle Linux PRN — Updated on 2024-10-04
Linux flash bundle for ExpressSAS 24Gb adapters.

Instructions on how to flash can be found in the ReadMe downloaded with the flash bundle file.

Supported Products: ExpressSAS H24F0, ExpressSAS H240F & ExpressSAS H240N.
ExpressSAS 24Gb Flash Bundle macOS

FileAction
macos_fls_esashba6_240927.dmg — Updated on 2024-10-04
ExpressSAS 24Gb Flash Bundle macOS PRN — Updated on 2024-10-04
macOS flash bundle for ExpressSAS 24Gb adapters.

Instructions on how to flash can be found in the ReadMe downloaded with the flash bundle file.

Supported Products: ExpressSAS H24F0, ExpressSAS H240F & ExpressSAS H240N.
ExpressSAS 24Gb Flash Bundle Windows

FileAction
win_fls_esashba6_240927.zip — Updated on 2024-10-04
ExpressSAS 24Gb Flash Bundle Windows PRN — Updated on 2024-10-04
Windows flash bundle for ExpressSAS 24Gb adapters.

Instructions on how to flash can be found in the ReadMe downloaded with the flash bundle file.

Supported Products: ExpressSAS H24F0, ExpressSAS H240F & ExpressSAS H240N.